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Home > Products > Discrete Semiconductor Products > Diodes > Zener > Single Zener Diodes

Microchip Technology 1N5367E3/TR13

Name: 1N5367E3/TR13
Brand: Microchip Technology
SKU: 1N5367E3/TR13
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: 1N5367E3/TR13

Manufacturer:: Microchip Technology

Category:: Single Zener Diodes

Package:: T-18, Axial

Datasheet:: 1N5367E3/TR13.pdf

Description:: DIODE ZENER 43V 5W T18

Quantity:: RFQ Add To RFQ list

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Inventory:4,058

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Product details

Overview

1N5367E3/TR13 from Microsemi is a 5.0 W axial-leaded silicon Zener diode with a nominal regulation voltage of 43 V, ±5% tolerance (B-suffix equivalent), 20 Ω maximum dynamic impedance at 30 mA test current, and 190 mA maximum Zener current when adequately heat-sunk. It operates across –65 °C to +150 °C and is used for precision voltage reference and overvoltage protection in industrial power supplies.

For engineers reviewing the 1N5367E3/TR13 datasheet, 1N5367E3/TR13 pinout, 1N5367E3/TR13 application, or 1N5367E3/TR13 equivalent, key selection criteria include its 43 V Zener voltage, 5 W steady-state power rating at 25 °C lead temperature, low 0.70 V voltage regulation (ΔV_Z) across 10–50% I_ZM, RoHS-compliant matte-tin plating, and T-18 axial package compatibility with through-hole PCB assembly.

Technical Context

This device functions as a two-terminal voltage regulator in reverse-biased mode, maintaining stable output voltage under varying load and line conditions. Its design centers on low thermal resistance (25 °C/W junction-to-lead at 10 mm lead length) and high surge current capability (190 A peak, 8.3 ms half-sine).

The 1N5367E3/TR13 exhibits minimal voltage drift versus current-ΔV_Z = 0.70 V between 10% and 50% of I_ZM-and maintains regulation down to 0.5 μA reverse leakage at 32.7 V, supporting low-power biasing and reference applications.

Key Specifications

Parameter	Value and Actual Design Meaning
Zener Voltage (V_Z)	43 V nominal at 30 mA; regulates within ±5% (40.85–45.15 V) across temperature and current range
Power Dissipation	5.0 W at 25 °C lead temperature; derates linearly above 25 °C per Figure 1
Dynamic Impedance (Z_Z)	20 Ω max at I_ZT = 30 mA; ensures tight voltage stability under dynamic load changes
Max Reverse Current (I_R)	0.5 μA at V_R = 32.7 V; enables low-leakage reference operation in high-impedance circuits
Surge Current (I_ZSM)	190 A peak (8.3 ms half-sine); withstands transient overvoltage events without degradation
Voltage Regulation (ΔV_Z)	0.70 V max between 10% and 50% of I_ZM; quantifies flatness of Zener knee for precision referencing
Thermal Resistance	25 °C/W junction-to-lead (3/8″ lead length); supports high-current operation with simple heatsinking

Pinout & Package

Package: T-18 axial-leaded plastic case per JEDEC DO-204AL; void-free UL94V-0 epoxy body; cathode indicated by band; leads plated with RoHS-compliant matte tin.

Pin/Terminal	Circuit Role	Design Meaning
Anode	Reverse-bias reference terminal	Connected to circuit ground or lower potential; forms reference node with cathode
Cathode	Regulated output terminal	Banded end; held at stable 43 V relative to anode during conduction; requires current-limiting resistor

Key Features

Feature	Design Value
RoHS-compliant construction	e3 suffix confirms lead-free matte-tin plating and halogen-free epoxy per EU Directive 2011/65/EU
Moisture sensitivity level	Level 1 per IPC/JEDEC J-STD-020B; no dry pack required prior to soldering
ESD robustness	Nonsensitive per MIL-STD-750 Method 1020; suitable for handling in standard assembly environments
High surge endurance	Rated for 190 A non-recurrent surge (8.3 ms), enabling use in input-stage clamping without external TVS
Stable regulation over temperature	Operates continuously from –65 °C to +150 °C; V_Z drift compensated via process design

Applications

Industrial Power Supply Reference	Overvoltage Clamp for DC Bus
Use Scenario: Providing stable 43 V reference for feedback loop in 48 V telecom rectifier. IC Role / Device Role / Timing Role: Two-terminal shunt voltage reference establishing error amplifier setpoint. Use Value: Maintains ±0.70 V regulation across 3–15 mA operating range, ensuring <±0.5% output voltage accuracy under line/load transients.	Use Scenario: Clamping 60 V DC bus against surges in motor drive control cabinet. IC Role / Device Role / Timing Role: Passive overvoltage protector diverting excess energy to ground during transients. Use Value: Absorbs 190 A surge (8.3 ms) without failure, limiting bus voltage to ≤45.15 V and protecting downstream MOSFET gate drivers.
Programmable Voltage Monitor Threshold	Low-Power Sensor Bias Supply
Use Scenario: Setting trip point for comparator-based undervoltage lockout in battery-powered instrumentation. IC Role / Device Role / Timing Role: Precision voltage threshold element defining logic transition level. Use Value: Delivers 43 V ±5% at 100 μA bias current, enabling accurate detection of 48 V system drop below 40.85 V with minimal quiescent draw.	Use Scenario: Generating stable bias for high-impedance pH sensor amplifier in portable environmental monitor. IC Role / Device Role / Timing Role: Low-leakage voltage reference source for op-amp input stage. Use Value: Leaks only 0.5 μA at 32.7 V, preventing sensor signal corruption while delivering regulated 43 V to FET-input amplifier rails.

Industrial Power Supply Reference

Overvoltage Clamp for DC Bus

Use Scenario: Providing stable 43 V reference for feedback loop in 48 V telecom rectifier.

IC Role / Device Role / Timing Role: Two-terminal shunt voltage reference establishing error amplifier setpoint.

Use Value: Maintains ±0.70 V regulation across 3–15 mA operating range, ensuring <±0.5% output voltage accuracy under line/load transients.

Use Scenario: Clamping 60 V DC bus against surges in motor drive control cabinet.

IC Role / Device Role / Timing Role: Passive overvoltage protector diverting excess energy to ground during transients.

Use Value: Absorbs 190 A surge (8.3 ms) without failure, limiting bus voltage to ≤45.15 V and protecting downstream MOSFET gate drivers.

Programmable Voltage Monitor Threshold

Low-Power Sensor Bias Supply

Use Scenario: Setting trip point for comparator-based undervoltage lockout in battery-powered instrumentation.

IC Role / Device Role / Timing Role: Precision voltage threshold element defining logic transition level.

Use Value: Delivers 43 V ±5% at 100 μA bias current, enabling accurate detection of 48 V system drop below 40.85 V with minimal quiescent draw.

Use Scenario: Generating stable bias for high-impedance pH sensor amplifier in portable environmental monitor.

IC Role / Device Role / Timing Role: Low-leakage voltage reference source for op-amp input stage.

Use Value: Leaks only 0.5 μA at 32.7 V, preventing sensor signal corruption while delivering regulated 43 V to FET-input amplifier rails.

Equivalent & Alternatives

The following parts are listed as comparable options for similar Zener voltage regulation applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
1N5367B	No e3 RoHS suffix; SnPb lead finish; identical electrical specs and T-18 package	Not compliant with EU RoHS or China RoHS; restricted in new commercial designs	Select 1N5367B only for legacy repair or military screening where SnPb is mandated
SMBJ5367B	Surface-mount SMB package; same 43 V/5 W rating but higher thermal resistance (85 °C/W junction-to-ambient)	Requires PCB layout change; unsuitable for high-current through-hole designs needing lead heat sinking	Choose SMBJ5367B only for space-constrained SMT assemblies where board-level thermal management is optimized

Compared with 1N5367E3/TR13, the 1N5367B offers identical regulation performance but lacks RoHS compliance, while SMBJ5367B trades axial mounting flexibility and superior thermal path for surface-mount compatibility-neither is pin-compatible, and both require layout or compliance review before substitution.

Availability

1N5367E3/TR13 is available at Aetrix Electronics and suitable for industrial power supplies, DC bus protection circuits, and programmable voltage monitors requiring stable component supply, long-lifecycle support, and RoHS-compliant sourcing.

Supply support for 1N5367E3/TR13 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Microsemi (now part of Microchip Technology) is a U.S.-based semiconductor company specializing in high-reliability analog, RF, and discrete components for aerospace, defense, and industrial markets.

The 1N53xxB series was designed for ruggedized voltage regulation in harsh-environment power systems, emphasizing wide temperature operation, surge resilience, and long-term parametric stability under continuous DC stress.

FAQ

What is the Zener voltage tolerance of the 1N5367E3/TR13?

1N5367E3/TR13 has a ±5% Zener voltage tolerance, consistent with the "B" suffix in its family designation (1N5367B). This means its measured V_Z falls between 40.85 V and 45.15 V at 30 mA test current and 25 °C lead temperature, as confirmed in the Microsemi datasheet Table on page 1.

Does the 1N5367E3/TR13 require dry packing before reflow soldering?

No, the 1N5367E3/TR13 has moisture sensitivity level (MSL) 1 per IPC/JEDEC J-STD-020B, meaning it may be stored and processed indefinitely at ambient conditions without baking or dry pack. Its void-free epoxy encapsulation eliminates moisture ingress risk during standard 260 °C/10 s soldering.

What is the maximum surge current rating for the 1N5367E3/TR13?

The 1N5367E3/TR13 is rated for 190 A peak non-recurrent surge current (I_ZSM) under an 8.3 ms half-sine waveform, as specified in the Electrical Characteristics table. This value reflects single-event energy absorption capability without parametric shift or failure.

How does the voltage regulation (ΔV_Z) specification apply to the 1N5367E3/TR13?

For the 1N5367E3/TR13, ΔV_Z = 0.70 V is the difference between V_Z measured at 10% and 50% of its maximum Zener current (I_ZM = 190 mA), i.e., between 19 mA and 95 mA. This quantifies the flatness of its regulation curve in normal operating range.

Is the 1N5367E3/TR13 compatible with automated tape-and-reel placement?

Yes, the "TR13" suffix indicates the 1N5367E3/TR13 is supplied in EIA-296 standard tape-and-reel format (13-inch reel), fully compatible with high-speed pick-and-place equipment. The T-18 axial body is oriented consistently in carrier tape pockets per industry-standard packaging guidelines.

1N5367E3/TR13 Specifications

Product attributes: Attribute value

Manufacturer:: Microchip Technology

Series:: -

Package/Case:: T-18, Axial

Packaging:: Tape & Reel (TR)

Product Status:: Obsolete

Voltage - Zener (Nom) (Vz):: 43 V

Tolerance:: ±20%

Power - Max:: 5 W

Impedance (Max) (Zzt):: 20 Ohms

Current - Reverse Leakage @ Vr:: 500 nA @ 31 V

Voltage - Forward (Vf) (Max) @ If:: 1.2 V @ 1 A

Operating Temperature:: -65°C ~ 150°C

Grade:: -

Qualification:: -

Mounting Type:: Through Hole

Supplier Device Package:: T-18

1N5367E3/TR13 FAQ

1.How can I place an order for 1N5367E3/TR13 through Aetrix?

Please submit a Request for Quotation (RFQ) for 1N5367E3/TR13 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for 1N5367E3/TR13 reliable?

The price and inventory of 1N5367E3/TR13 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 1N5367E3/TR13 is usually 5 days.

3.What payment methods are accepted for 1N5367E3/TR13?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 1N5367E3/TR13 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for 1N5367E3/TR13?

1N5367E3/TR13 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your 1N5367E3/TR13 order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for 1N5367E3/TR13?

For technical support, including 1N5367E3/TR13 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 1N5367E3/TR13 requirements.

6.How does Aetrix verify that 1N5367E3/TR13 is sourced from the original manufacturer or authorized distributors?

All 1N5367E3/TR13 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that 1N5367E3/TR13 meets industry standards.

7.What is the process for return or replacement of 1N5367E3/TR13?

All 1N5367E3/TR13 units undergo pre-shipment inspection (PSI). If there is an issue with 1N5367E3/TR13, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The 1N5367E3/TR13 part is unused and in its original packaging.

Return procedure for 1N5367E3/TR13:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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